/***Date:2007/12/18****/
window.inpect = function(parent ,width){ //基本属性 public
this.parent = (typeof parent == 'undefined')?document.body:parent;
this.width = parseInt((typeof width == 'undefined')?130:width); //获取对象方法 private
var $ = function(el){
return (typeof el == 'object')?el:document.getElementById(el);
};
//初始化控件 private
this.init = function(){
var strHTML = "<div style='position:absolute;z-index:1;clip:rect(3 280 20 "+ this.width +");'>"
+ "<select id='sel' style='width:"+ (this.width+17) +"'></select>"
+ "</div>"
+ "<div style='position:absolute;z-index:2;'>"
+ "<input hideValue='' id='inp' style='width:"+ (this.width+17) +"; height:20;'>"
+ "</div>";
this.parent.innerHTML = strHTML;
};this.init();
//选中赋值 anonymous
$("sel").onchange = function(){
$("inp").value = this.options[this.selectedIndex].text;
$("inp").hideValue = this.value;
};
//添加option public
this.addOption = function(text ,value){
var op= new Option(text ,value);
$("sel").options.add(op);
}; //给控件赋值 public
this.setValue = function(value){
$("inp").value = selOption(value);
$("inp").hideValue = value;
}; //获取控件值 public
this.getValue = function(){
return $("inp").hideValue;
}; //选中控件 private
var selOption = function(value){
if($("sel").options.length != 'undefined'){
for(var i=0;i<$("sel").options.length;i++){
if($("sel").options[i].value == value){
$("sel").options[i].selected = true;
return $("sel").options[i].text;
}
}
}
};
};
window.inpect = function(parent ,width){ //基本属性 public
this.parent = (typeof parent == 'undefined')?document.body:parent;
this.width = parseInt((typeof width == 'undefined')?130:width); //获取对象方法 private
var $ = function(el){
return (typeof el == 'object')?el:document.getElementById(el);
};
//初始化控件 private
this.init = function(){
var strHTML = "<div style='position:absolute;z-index:1;clip:rect(3 280 20 "+ this.width +");'>"
+ "<select id='sel' style='width:"+ (this.width+17) +"'></select>"
+ "</div>"
+ "<div style='position:absolute;z-index:2;'>"
+ "<input hideValue='' id='inp' style='width:"+ (this.width+17) +"; height:20;'>"
+ "</div>";
this.parent.innerHTML = strHTML;
};this.init();
//选中赋值 anonymous
$("sel").onchange = function(){
$("inp").value = this.options[this.selectedIndex].text;
$("inp").hideValue = this.value;
};
//添加option public
this.addOption = function(text ,value){
var op= new Option(text ,value);
$("sel").options.add(op);
}; //给控件赋值 public
this.setValue = function(value){
$("inp").value = selOption(value);
$("inp").hideValue = value;
}; //获取控件值 public
this.getValue = function(){
return $("inp").hideValue;
}; //选中控件 private
var selOption = function(value){
if($("sel").options.length != 'undefined'){
for(var i=0;i<$("sel").options.length;i++){
if($("sel").options[i].value == value){
$("sel").options[i].selected = true;
return $("sel").options[i].text;
}
}
}
};
};
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<head>
</head>
<body>
<select id="sel">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
<option value="d">d</option>
<option value="e">e</option>
<option value="f">f</option>
<option value="g">g</option>
<option value="h">h</option>
<option value="i">i</option>
<option value="j">j</option>
<option value="k">k</option>
<option value="l">l</option>
<option value="m">m</option>
<option value="n">n</option>
<option value="o">o</option>
<option value="p">p</option>
<option value="q">q</option>
<option value="r">r</option>
<option value="s">s</option>
<option value="t">t</option>
<option value="u">u</option>
<option value="v">v</option>
<option value="w">w</option>
<option value="x">x</option>
<option value="y">y</option>
<option value="z">z</option>
</select>
<script>
var sel;
window.onload=function()
{
sel=document.getElementById("sel");
document.onkeydown=Hanlder;
}
function Hanlder(e)
{
e=e||event;
var k=String.fromCharCode(e.keyCode).toLowerCase();//从asc转换为字符,为字符时e.keyCode全为大写字符
for(var i=0;i<sel.options.length;i++)
if(sel.options[i].value==k)
{
sel.options[i].selected=true;
break;
}
}
</script>
</body>
</html>